3 files changed, 38 insertions, 10 deletions
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index d17c892a7..13869f897 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -1378,6 +1378,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
          {:ok, data} <- user_data_from_user_object(data) do
       {:ok, maybe_update_follow_information(data)}
     else
+      # If this has been deleted, only log a debug and not an error
       {:error, "Object has been deleted" = e} ->
         Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
         {:error, e}
diff --git a/lib/pleroma/web/activity_pub/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex
index 0fff5faf2..bbff35c36 100644
--- a/lib/pleroma/web/activity_pub/side_effects.ex
+++ b/lib/pleroma/web/activity_pub/side_effects.ex
@@ -187,7 +187,7 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
       {:ok, notifications} = Notification.create_notifications(activity, do_send: false)
       {:ok, _user} = ActivityPub.increase_note_count_if_public(user, object)
 
-      if in_reply_to = object.data["inReplyTo"] do
+      if in_reply_to = object.data["inReplyTo"] && object.data["type"] != "Answer" do
         Object.increase_replies_count(in_reply_to)
       end
 
@@ -312,6 +312,12 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
             {:ok, chat} = Chat.bump_or_create(user.id, other_user.ap_id)
             {:ok, cm_ref} = MessageReference.create(chat, object, user.ap_id != actor.ap_id)
 
+            Cachex.put(
+              :chat_message_id_idempotency_key_cache,
+              cm_ref.id,
+              meta[:idempotency_key]
+            )
+
             {
               ["user", "user:pleroma_chat"],
               {user, %{cm_ref | chat: chat, object: object}}
diff --git a/lib/pleroma/web/activity_pub/visibility.ex b/lib/pleroma/web/activity_pub/visibility.ex
index 5c349bb7a..76bd54a42 100644
--- a/lib/pleroma/web/activity_pub/visibility.ex
+++ b/lib/pleroma/web/activity_pub/visibility.ex
@@ -44,29 +44,30 @@ defmodule Pleroma.Web.ActivityPub.Visibility do
   def is_list?(%{data: %{"listMessage" => _}}), do: true
   def is_list?(_), do: false
 
-  @spec visible_for_user?(Activity.t(), User.t() | nil) :: boolean()
-  def visible_for_user?(%{actor: ap_id}, %User{ap_id: ap_id}), do: true
+  @spec visible_for_user?(Activity.t() | nil, User.t() | nil) :: boolean()
+  def visible_for_user?(%Activity{actor: ap_id}, %User{ap_id: ap_id}), do: true
 
   def visible_for_user?(nil, _), do: false
 
-  def visible_for_user?(%{data: %{"listMessage" => _}}, nil), do: false
+  def visible_for_user?(%Activity{data: %{"listMessage" => _}}, nil), do: false
 
-  def visible_for_user?(%{data: %{"listMessage" => list_ap_id}} = activity, %User{} = user) do
+  def visible_for_user?(
+        %Activity{data: %{"listMessage" => list_ap_id}} = activity,
+        %User{} = user
+      ) do
     user.ap_id in activity.data["to"] ||
       list_ap_id
       |> Pleroma.List.get_by_ap_id()
       |> Pleroma.List.member?(user)
   end
 
-  def visible_for_user?(%{local: local} = activity, nil) do
-    cfg_key = if local, do: :local, else: :remote
-
-    if Pleroma.Config.restrict_unauthenticated_access?(:activities, cfg_key),
+  def visible_for_user?(%Activity{} = activity, nil) do
+    if restrict_unauthenticated_access?(activity),
       do: false,
       else: is_public?(activity)
   end
 
-  def visible_for_user?(activity, user) do
+  def visible_for_user?(%Activity{} = activity, user) do
     x = [user.ap_id | User.following(user)]
     y = [activity.actor] ++ activity.data["to"] ++ (activity.data["cc"] || [])
     is_public?(activity) || Enum.any?(x, &(&1 in y))
@@ -82,6 +83,26 @@ defmodule Pleroma.Web.ActivityPub.Visibility do
     result
   end
 
+  def restrict_unauthenticated_access?(%Activity{local: local}) do
+    restrict_unauthenticated_access_to_activity?(local)
+  end
+
+  def restrict_unauthenticated_access?(%Object{} = object) do
+    object
+    |> Object.local?()
+    |> restrict_unauthenticated_access_to_activity?()
+  end
+
+  def restrict_unauthenticated_access?(%User{} = user) do
+    User.visible_for(user, _reading_user = nil)
+  end
+
+  defp restrict_unauthenticated_access_to_activity?(local?) when is_boolean(local?) do
+    cfg_key = if local?, do: :local, else: :remote
+
+    Pleroma.Config.restrict_unauthenticated_access?(:activities, cfg_key)
+  end
+
   def get_visibility(object) do
     to = object.data["to"] || []
     cc = object.data["cc"] || []